body {
  margin: 0;
  padding: 0;
  background-image: url('../images/u0.png');
  background-size: cover;
}

.container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90vh;
}

.content {
  background: linear-gradient(rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.5));
  padding: 60px;
  text-align: center;
  width: 60%;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

h1 {
  font-size: 34px;
  margin-top: 0;
  font-family: KaiTi;
}

button {
  padding: 10px 20px;
  font-size: 20px;
  margin-bottom: 10px;
  font-family: KaiTi;
  background-color: #f2f2f2;
  border-color: #f0f0f0
}

input {
  width: 60%;
  margin-bottom: 10px;
  padding: 5px;
}

.buttons button {
  margin: 0 10px;
  padding: 10px 20px;
  margin-top: 20px
}

#username::placeholder {
  font-family: KaiTi; /* 将placeholder文本的字体样式设置为楷体 */
}

#password::placeholder {
  font-family: KaiTi; /* 将placeholder文本的字体样式设置为楷体 */
}

.banner {
  background-color: #003366;
  color: white;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 3vh;
}

.banner-title {
  font-weight: bold;
  font-size: 20px;
}

.banner-links a {
  color: white;
  text-decoration: none;
  margin-left: 10px;
  margin-right: 10px;
}